CN112006742A - Absorbable blood vessel protective sleeve - Google Patents
Absorbable blood vessel protective sleeve Download PDFInfo
- Publication number
- CN112006742A CN112006742A CN202010842172.9A CN202010842172A CN112006742A CN 112006742 A CN112006742 A CN 112006742A CN 202010842172 A CN202010842172 A CN 202010842172A CN 112006742 A CN112006742 A CN 112006742A
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- CN
- China
- Prior art keywords
- sleeve
- absorbable
- grooves
- blood vessel
- protective sheath
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/1204—Type of occlusion temporary occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12159—Solid plugs; being solid before insertion
Abstract
The application provides an absorbable blood vessel protective sheath belongs to and provides closed wound or keeps the closed technical field of wound for human body tubular structure. The disposable medical tube comprises a sleeve, grooves and fasteners, wherein the sleeve comprises a blind end, an open end, a tube body between the blind end and the open end, a plurality of grooves are formed in the tube body close to the open end, and the fasteners are located at the grooves and formed by single-layer or multi-layer overlapping of absorbable wires. The application is applied to the main blood vessel stumps such as gastroduodenal artery stumps, hepatic arteries or celiac arteries and the like, and has the advantages of safety in use, convenience in operation, effective reduction of infection of the main blood vessel stumps, reduction of operative mortality and the like.
Description
Technical Field
The application relates to an absorbable vascular protection sleeve, and belongs to the technical field of devices for providing closed wounds or keeping wounds closed for human body tubular structures.
Background
The pancreas operation is a complex and serious-wound abdominal operation in general surgery department, has the characteristics of large wound, complicated operation such as digestive tract reconstruction and the like, high incidence rate of postoperative complications and the like, and causes death of patients after pancreas resection mainly due to pancreas leakage, infection, bleeding and the like, wherein the mortality rate of delayed severe bleeding after pancreas resection is high, and the most important factor seriously threatening the lives of the patients is lack of effective prevention and treatment means. Pancreas leakage and digestive juice erosion of abdominal blood vessels are the main causes of delayed bleeding of abdominal cavity. The bleeding sites are mainly from the gastroduodenal stumps, hepatic artery and celiac artery in the surgical area. The classic pathological process is compared with the three steps of digestive fistula, infection and hemorrhage vividly.
Delayed major abdominal bleeding is difficult, delicate and has a high mortality rate, but as with any postoperative complications, its prevention is most important and critical. How to prevent delayed bleeding after pancreas surgery is mainly to avoid pancreas leakage and digestive tract leakage. The method to avoid comprises non-technical factors and technical factors, wherein the non-technical factors mainly comprise advanced age, malnutrition, hypoproteinemia, preoperative jaundice, anemia and the like; the technical factors mainly comprise three aspects of operator experience, pancreas stump treatment and a pancreas intestine anastomosis mode, and the three aspects are the most important factors influencing the occurrence of pancreas leakage and digestive tract leakage. Although the management level is improved along with the improvement of the operation technology and the perioperative period, the incidence rate of pancreas leakage and digestive tract leakage after operation is still about 30 to 50 percent, and the incidence rate of bleeding caused by pancreas leakage and digestive tract leakage can reach 18 to 60 percent. Therefore, pancreas leakage and digestive tract leakage cannot be completely avoided after pancreas surgery, the incidence rate is high, and delayed massive abdominal bleeding still occurs occasionally, so that the patient is dead.
Disclosure of Invention
Based on still can't avoid pancreas to leak and the alimentary canal leaks at present pancreas postoperative completely, and pancreas leaks, the peritoneal cavity blood vessel is the main reason of the tardive hemorrhage of abdominal cavity again to the corruption of digestive juice, and the hemorrhage position mainly comes from the operation area's gastroduodenal artery stub, hepatic artery and abdominal artery, this application provides an absorbable blood vessel protective sheath.
Specifically, the method is realized through the following scheme:
the utility model provides an absorbable blood vessel protective sheath, includes sleeve pipe, recess and fastener, the sleeve pipe includes body between blind end, open end, blind end and the open end, is provided with a plurality of recess on being close to the body of open end, and the fastener is located the recess, is formed by absorbable line individual layer or multilayer coincide.
In the application, the sleeve is made of polylactic acid, and a single or a plurality of absorbable threads (such as synthetic absorbable surgical sutures) are wound or overlapped to form a fastener, and the fastener is fixed on the outer wall of the opening end of the sleeve through a clamping groove and is used for ligating and sealing the root of a blood vessel, so that the ligature is prevented from sliding off the tube body and the inner cavity of the blood vessel cannot be completely sealed.
Further, as preferable:
the grooves are at least provided with two grooves, and the distance L between every two adjacent grooves1Is 1-3mm and forms a fastening section. One groove is arranged, the basic fastening effect can be met by matching with the fastening piece, when more than one groove is arranged, a fastening section can be formed near the opening end, the leakage of body fluid in the stump, the leakage of corrosive liquid such as external pancreatic leakage and digestive tract leakage and the like caused by the fact that the fastening piece is loosened and even falls off from the surface of the protective sleeve is effectively avoided, the stump after operation is fully and effectively separated from the external environment, and the infection phenomenon is avoided from the origin; the arrangement of the groove intervals also avoids vascular necrosis caused by overlarge pressure applied to the protecting position by the fastener.
The length L of the sleeve is 6-10mm, the inner diameter D is 4-8mm, and the wall thickness b1Is 1-2 mm; groove length L2Is 4-6mm, b2Is 1-2 mm. The protective sheath of present case has certain environment pertinence and object pertinence, and the setting of sleeve pipe specification had both satisfied the suitable protection to the incomplete end of postoperative in the size, avoided the too much unnecessary medical waste of in-vivo production of use again.
The blind end of sleeve pipe is the hemisphere structure, sets up to the hemisphere structure and has not only improved the accommodation space of whole protective sheath, has still effectively improved the ductility of protective sheath.
The fastener width is not less than the groove width. The arrangement of the fastener is to fix the cannula realizing the isolation effect at the postoperative stump on one hand, and on the other hand, the blood vessel is not smooth due to too large pressure, and when the fastener is less than or equal to the width of the groove, the fastener is equivalently buckled in the groove; when the width of the fastener is larger than that of the groove, part of the fastener is buckled at the groove, and part of the fastener is wound on the pipe body to form integral wrapping of the groove.
When treating the main blood vessel stumps such as gastroduodenal stumps, hepatic arteries, celiac arteries and the like in an operation, the protective sleeve provided by the scheme is applied to the stumps. Due to the fact that the material can be absorbed, the protective sleeve provided by the scheme has absorbability; simultaneously, based on the plastic reason of material, the protective sheath that the present case provided still has plasticity, consequently when with this protective sheath suit at the incomplete end of gastroduodenal artery, the main blood vessel incomplete end of hepatic artery, the main blood vessel incomplete end of abdominal cavity artery wait, can realize the contact of above-mentioned postoperative blood vessel incomplete end and pancreas hourglass, the alimentary canal hourglass etc. corrosive liquids, blocked three step curves of "alimentary canal fistula-infection-hemorrhage", fundamentally has reduced the development of postoperative abdominal cavity delayed bleeding, reduces pancreas postoperative mortality.
After minimally invasive surgery or other open type surgeries, the absorbable blood vessel protective sleeve is applied to a gastroduodenal artery stump, a hepatic artery blood vessel stump or an abdominal artery blood vessel stump, the stump enters the sleeve through the open end, and is buckled or arranged at the groove through a fastener, so that the fixation of the absorbable blood vessel protective sleeve at the stump is realized; the rest of the operation is the same as the conventional operation. This can absorb blood vessel protective sheath not only helps the safe blood vessel of closing hiding on anatomical structure, has effectively stopped the pancreas and has leaked, the alimentary canal leaks the corruption of corrosive liquids such as to the stub, and because its suit in the incomplete end of gastroduodenal artery, hepatic artery blood vessel stub or the main blood vessel stub of abdominal cavity artery, the postoperative also can be along with human absorption in certain time back, need not to demolish, also can not lead to the fact the interference to the entering or being close of operation region.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a partial enlarged view of the portion B in FIG. 2;
fig. 4 is another schematic structural diagram of a partially enlarged view of a portion B in fig. 2.
Reference numbers in the figures: 1. a sleeve; 11. a pipe body; 12. a blind end; 13. a fastening section; 2. a groove; 3. a fastener.
Detailed Description
This embodiment can absorb blood vessel protective sheath, combine fig. 1, including sleeve pipe 1, recess 2 and fastener 3, sleeve pipe 1 includes body 11 between blind end 12, the open end, blind end 12 and the open end, is provided with a plurality of recess 2 on the body 11 that is close to the open end, and fastener 3 is located recess 2 department, is formed by absorbable line individual layer or multilayer coincide.
In the application, a single or a plurality of absorbable threads (such as synthetic absorbable suture) are wound or overlapped to form a fastener 3, and the fastener 3 is fixed on the outer wall of the opening end of the sleeve 1 through the clamping groove 2 and is used for ligating and sealing the root of a blood vessel, so that the ligature is prevented from sliding off the tube body and the inner cavity of the blood vessel cannot be completely sealed.
When the absorbable vascular protection sleeve is applied to the stump of the gastroduodenal artery, the sleeve 1 has the length L of 6-8mm, the inner diameter D of 4-6mm and the wall thickness b according to the combined drawings of 2 and 31Is 1-2 mm; groove length L2Is 4-6mm, b2Is 1-2 mm.
When the absorbable vascular protection sleeve is applied to hepatic artery vessel stumps, the length L of the sleeve 1 is 6-8mm, the inner diameter D is 4-6mm, and the wall thickness b is shown in the figures 2 and 31Is 1-2 mm; groove length L2Is 4-6mm, b2Is 1-2 mm.
When the absorbable vascular protection sleeve is applied to the abdominal artery vessel stumps, the length L of the sleeve 1 is 8-10mm, the inner diameter D is 6-8mm, and the wall thickness b is shown in the figures 2 and 31Is 1-2 mm; groove length L2Is 4-6mm, b2Is 1-2 mm.
The absorbable vascular protection sleeve has certain environmental pertinence and object pertinence, and due to the arrangement of the specification of the sleeve, the size of the absorbable vascular protection sleeve is suitable for protecting the postoperative stump, and excessive use amount of the absorbable vascular protection sleeve is avoided to generate redundant medical waste in vivo.
As an alternative, with reference to fig. 1 and 2, at least two grooves 2 are provided, and the arrangement of the distance between the grooves 2 for different stump locations also avoids vascular necrosis caused by excessive pressure applied by the fastener at the protection location:
when the absorbable vascular protection sleeve is applied to the gastroduodenal artery stump, the distance L between two adjacent grooves 21Is 1-2 mm;
when the absorbable vascular protection sleeve is applied to hepatic artery vessel stumpsThe distance L between two adjacent grooves 21Is 1-2 mm;
when the absorbable vascular protection sleeve is applied to the abdominal artery vessel stump, the distance L between two adjacent grooves 21Is 2-3 mm.
Recess 2 only sets up one when, cooperation fastener 3 can satisfy essential fastening effect, when setting up more than one, then can form a fastening section 13 in near being close to the open end, has effectively avoided fastener 3 not hard up or even has fallen from the protective sheath surface and has caused in the stub body fluid omit with external pancreas leak, the infiltration of corrosive liquids such as alimentary canal leak, fully effectual cut off postoperative stub and external environment, has stopped the emergence of infection phenomenon from this source.
As an alternative case, referring to fig. 1, the blind end 12 of the sleeve 1 is a hemispherical structure, and the hemispherical structure not only improves the accommodation space of the whole absorbable vascular protection sheath, but also improves the extensibility of the absorbable vascular protection sheath due to the unique tension decomposition effect of the hemispherical structure.
As an alternative, the width of the fastening element 3 may be greater than the width of the groove 2, or, for example, smaller than or equal to the width of the groove 2. The fastener 3 is arranged to fix the cannula 1 realizing the isolation effect at the postoperative stump on one hand, and on the other hand, the blood vessel is not blocked due to too large pressure, and when the fastener 3 is less than or equal to the width of the groove (as shown in fig. 4), the fastener 3 is equivalently buckled in the groove 2; when the width of the fastener 3 is larger than the width of the groove (as shown in fig. 1-3), part of the fastener is buckled at the groove 2 and part of the fastener is wound on the pipe body 11, so that the groove 2 with lower thickness and smaller corresponding strength is reinforced, the sleeve 1 is prevented from being broken at the groove, and the whole groove 2 is wrapped while the fastener is buckled, so that the purpose of sealing the residual end of the blood vessel is realized.
When treating the main blood vessel stumps such as gastroduodenal stumps, hepatic arteries, celiac arteries and the like in an operation, the protective sleeve provided by the scheme is applied to the stumps. Due to the fact that the material can be absorbed, the protective sleeve provided by the scheme has absorbability; simultaneously, based on the plastic reason of material, the protective sheath that the present case provided still has plasticity, consequently, when with this protective sheath suit at the incomplete end of gastroduodenal artery, the main blood vessel incomplete end of hepatic artery, the main blood vessel incomplete end of abdominal cavity artery etc. can realize the contact of above-mentioned postoperative blood vessel incomplete end and pancreas hourglass, the alimentary canal hourglass etc. corrosive liquids, blocked three step curves of "alimentary canal fistula-infection-hemorrhage", fundamentally has reduced the development of postoperative abdominal cavity delayed bleeding, reduces pancreas postoperative mortality.
Claims (10)
1. An absorbable vascular protective sheath, comprising: the sleeve is made of polylactic acid, the sleeve comprises a blind end, an open end and a pipe body between the blind end and the open end, a plurality of grooves are formed in the pipe body close to the open end, and the fastener is located in the grooves and formed by single-layer or multi-layer overlapping of absorbable wires; the gastroduodenal artery stump or hepatic artery blood vessel stump enters the sleeve through the opening end and is buckled or arranged at the groove by a fastener, so that the absorbable blood vessel protective sleeve is fixed at the stump.
2. An absorbable vascular protective sheath according to claim 1, wherein: the grooves are at least provided with two grooves, and the distance L between every two adjacent grooves1Is 1-2 mm.
3. An absorbable vascular protective sheath according to claim 1, wherein: the length L of the sleeve is 6-8mm, the inner diameter D is 4-6mm, and the wall thickness b1Is 1-2 mm; groove length L2Is 4-6mm, b2Is 1-2 mm.
4. An absorbable vascular protective sheath according to claim 1, wherein: the blind end of the sleeve is of a hemispherical structure.
5. An absorbable vascular protective sheath according to claim 1, wherein: the fastener width is not less than the groove width.
6. An absorbable vascular protective sheath, comprising: the surgical suture fixing device comprises a sleeve, grooves and fasteners, wherein the sleeve is made of polylactic acid, the sleeve comprises a blind end, an open end and a tube body between the blind end and the open end, a plurality of grooves are formed in the tube body close to the open end, and the fasteners are located in the grooves and are formed by superposing single layers or multiple layers of synthetic absorbable surgical sutures; the abdominal artery blood vessel stump enters the sleeve through the opening end, and is buckled or arranged at the groove by the fastener, so that the absorbable blood vessel protective sleeve is fixed at the stump.
7. An absorbable vascular protective sheath according to claim 1, wherein: the grooves are at least provided with two grooves, and the distance L between every two adjacent grooves1Is 2-3 mm.
8. An absorbable vascular protective sheath according to claim 1, wherein: the length L of the sleeve is 8-10mm, the inner diameter D is 6-8mm, and the wall thickness b1Is 1-2 mm; groove length L2Is 4-6mm, b2Is 1-2 mm.
9. An absorbable vascular protective sheath according to claim 1, wherein: the blind end of the sleeve is of a hemispherical structure.
10. An absorbable vascular protective sheath according to claim 1, wherein: the fastener width is not less than the groove width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010842172.9A CN112006742A (en) | 2020-08-20 | 2020-08-20 | Absorbable blood vessel protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010842172.9A CN112006742A (en) | 2020-08-20 | 2020-08-20 | Absorbable blood vessel protective sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112006742A true CN112006742A (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010842172.9A Pending CN112006742A (en) | 2020-08-20 | 2020-08-20 | Absorbable blood vessel protective sleeve |
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| CN (1) | CN112006742A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973988A (en) * | 2012-12-19 | 2013-03-20 | 杭州铭众生物科技有限公司 | Absorbable vessel ligature clamp and preparation method thereof |
| CN203970464U (en) * | 2014-06-16 | 2014-12-03 | 禹正杨 | The identical auxiliary device of a kind of degradable two-way interior buckle-type intestinal |
| CN104739461A (en) * | 2009-04-09 | 2015-07-01 | 心血管科技股份有限公司 | Tissue closure devices, device and systems for delivery, kits and methods therefor |
| CN205433921U (en) * | 2015-12-23 | 2016-08-10 | 深圳市第二人民医院 | Simple and easy pancreas broken ends of fractured bone protective sheath |
| CN205434665U (en) * | 2015-12-24 | 2016-08-10 | 深圳市第二人民医院 | Pancreas broken ends of fractured bone protective sheath |
| CN207575243U (en) * | 2017-03-28 | 2018-07-06 | 安徽省立医院 | Simple pancreas broken ends of fractured bone protective case |
-
2020
- 2020-08-20 CN CN202010842172.9A patent/CN112006742A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739461A (en) * | 2009-04-09 | 2015-07-01 | 心血管科技股份有限公司 | Tissue closure devices, device and systems for delivery, kits and methods therefor |
| CN102973988A (en) * | 2012-12-19 | 2013-03-20 | 杭州铭众生物科技有限公司 | Absorbable vessel ligature clamp and preparation method thereof |
| CN203970464U (en) * | 2014-06-16 | 2014-12-03 | 禹正杨 | The identical auxiliary device of a kind of degradable two-way interior buckle-type intestinal |
| CN205433921U (en) * | 2015-12-23 | 2016-08-10 | 深圳市第二人民医院 | Simple and easy pancreas broken ends of fractured bone protective sheath |
| CN205434665U (en) * | 2015-12-24 | 2016-08-10 | 深圳市第二人民医院 | Pancreas broken ends of fractured bone protective sheath |
| CN207575243U (en) * | 2017-03-28 | 2018-07-06 | 安徽省立医院 | Simple pancreas broken ends of fractured bone protective case |
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Application publication date: 20201201 |